CN113730684A - Clinical drainage device for Intensive Care Unit (ICU) critical medical science department - Google Patents
Clinical drainage device for Intensive Care Unit (ICU) critical medical science department Download PDFInfo
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- CN113730684A CN113730684A CN202111182512.0A CN202111182512A CN113730684A CN 113730684 A CN113730684 A CN 113730684A CN 202111182512 A CN202111182512 A CN 202111182512A CN 113730684 A CN113730684 A CN 113730684A
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- drainage tube
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
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Abstract
The invention discloses a clinical drainage device for ICU (intensive care unit) critical medical science, which comprises a support frame, a drainage device and a drainage device, wherein the support frame is provided with a controller and an alarm; a first drainage tube with a puncture needle; the top end of the second drainage tube is communicated with the first drainage tube, the bottom end of the second drainage tube is sealed, the side wall of the second drainage tube is communicated with a third drainage tube, a piston with a plurality of through holes is connected in a sliding mode, the thickness of the piston is not smaller than the diameter of the third drainage tube, a pressure sensor is arranged on the top wall of the piston, a limiting part is arranged on the peripheral wall of the second drainage tube, and a plurality of first springs are connected between the piston and the bottom wall of the second drainage tube; a flushing mechanism; the liquid storage device is arranged on the support frame and is communicated with the negative pressure drum arranged on the support frame; the flushing mechanism, the pressure sensor and the alarm are respectively in signal connection with the controller. The invention can disperse the normal saline by reversely flushing the normal saline to the blood clots and necrotic tissues blocked in the drainage tube, thereby avoiding the problem of sudden reduction of the hydrops cavity caused by reducing the negative pressure of the collection bottle.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a clinical drainage device for ICU (intensive care unit) critical medical science.
Background
The drainage device is generally used for draining the effusion in the body of a patient clinically in a drainage mode, is used for avoiding the infection of the tissue in the body, relieving the compression force between the tissue and the adjacent organs and promoting the healing of the wound and the improvement of the state of an illness.
Most of the drainage devices used in the prior art are composed of a puncture needle, a drainage tube, a collection bottle and a negative pressure device, for example, chinese patent (granted patent No. CN212914017, a clinical drainage device for ICU critical medicine department), in which only a needle is inserted into a hydrops cavity, and then the collection bottle under negative pressure collects the hydrops flowing out from the drainage tube through the negative pressure device, however, since the drainage speed and drainage flow rate of the hydrops in a human body need to be strictly controlled, this is because when the drainage speed and drainage flow rate are large and too fast, the pressure in the hydrops cavity instantaneously changes to induce diseases, while only a device for discharging the hydrops through negative pressure is given in the granted literature, but in addition to the presence of the hydrops, blood clots and other detached necrotic tissues in the hydrops cavity, and the necrotic tissues have adhesivity, when it can arouse drainage device's jam when piling up in the drainage tube, so in order to solve the problem of jam, must further reduce the pressure of receiving flask, under the suction effect of negative pressure ware, will pile up in the drainage tube blood clot and necrotic tissue drainage to receiving flask in, further carry out negative pressure suction to the receiving flask nevertheless can not only lead to the intracavity pressure of hydrops to sharply reduce, but also can arouse the change of the velocity of flow and the flow of drainage hydrops in the drainage tube, so although can discharge the hydrops in the hydrops intracavity, but also lead to the production of other induction symptoms of patient's health, be unfavorable for patient's recovery.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a clinical drainage device for ICU (intensive care unit) critical medicine department, which has important significance for reversely flushing normal saline to blood clots and necrotic tissues in a blocked drainage tube, dispersing the blood clots and necrotic tissues by the normal saline and then reducing the coagulation probability of the blood clots and necrotic tissues.
The invention provides a clinical drainage device for ICU critical medical science, which comprises:
the support frame is provided with a controller and an alarm;
a first drainage tube with a puncture needle;
the top end of the second drainage tube is communicated with the first drainage tube, the bottom end of the second drainage tube is sealed, the side wall of the second drainage tube is communicated with a third drainage tube, a piston with a plurality of through holes is connected in a sliding mode, the thickness of the piston is not smaller than the diameter of the third drainage tube, a pressure sensor is arranged on the top wall of the piston, a limiting part used for limiting the piston to move downwards is arranged on the peripheral wall of the second drainage tube, which is positioned on the lower edge of the liquid inlet end of the third drainage tube, and a plurality of first springs are connected between the piston and the bottom wall of the second drainage tube;
the flushing mechanism is arranged on the support frame and is used for reversely removing blood clots or tissues adhered to the surface of the through hole and blocked in the through hole;
the liquid storage device is arranged on the support frame and communicated with the third drainage tube, and the liquid storage device is also communicated with a negative pressure drum arranged on the support frame;
the flushing mechanism, the controller, the pressure sensor and the alarm are respectively and electrically connected with the power supply, and the flushing mechanism, the pressure sensor and the alarm are respectively and signally connected with the controller.
Preferably, the flushing mechanism comprises:
the top of the left end of the U-shaped infusion tube with the one-way valve penetrates into the second drainage tube from the bottom wall of the second drainage tube and is in sealed sliding connection with the bottom wall of the second drainage tube, and the top of the left end of the U-shaped infusion tube is sealed and fixedly connected to the bottom wall of the sieve plate;
the number of the transfusion branch pipes is multiple, the top end of each transfusion branch pipe is sealed, a plurality of liquid spraying holes are formed in the peripheral wall of each transfusion branch pipe, the top end of each transfusion branch pipe penetrates into each through hole from the bottom of the piston, and the bottom end of each transfusion branch pipe is communicated with a U-shaped transfusion pipe positioned in the second drainage pipe;
the bracing piece of adjustable length is vertically established in U type transfer line bottom, and the bracing piece includes:
a first cylinder;
the second barrel is sleeved in the first barrel and is connected with the first barrel in a sliding mode along the length direction of the first barrel, the top end of the first barrel is fixedly connected with a supporting seat arranged at the bottom of the U-shaped infusion tube, and the bottom end of the second barrel is fixed on the supporting frame;
the second springs are arranged inside the first cylinder and the second cylinder, the top ends of the second springs are fixed on the supporting seat, and the bottom ends of the second springs are fixed on the supporting frame;
the first infusion tube is communicated with the top of the right end of the U-shaped infusion tube positioned outside the second drainage tube, and a guide cylinder is fixed on the top of the first infusion tube along the longitudinal direction in a sealing manner;
the L-shaped fixing rod is arranged above the U-shaped infusion tube, the horizontal end of the L-shaped fixing rod is fixedly connected with the side wall of the second drainage tube, the vertical end of the L-shaped fixing rod is longitudinally and hermetically and slidably connected with the guide cylinder, the first infusion tube is provided with an insertion hole for the vertical end of the L-shaped fixing rod to pass through, the insertion hole is communicated with the bottom end surface of the guide cylinder, and the length of the vertical end of the L-shaped fixing rod penetrating into the first infusion tube is equal to the height difference of the downward movement of the piston;
the flushing fluid storage device is arranged on the support frame, the top of the flushing fluid storage device is provided with a transfusion port, the bottom of the flushing fluid storage device is communicated with the inlet of the pressure pump through a second transfusion pipe, the liquid outlet of the pressure pump is communicated with the first transfusion pipe through a corrugated hose, and the pressure pump is in signal connection with the controller.
Preferably, each liquid spraying hole is correspondingly provided with a spray head, and the spraying direction of the flushing liquid of each spray head forms an included angle of 30-45 degrees with the water inlet direction of the transfusion branch pipe.
Preferably, the corrugated hose is communicated with the first infusion tube through a venturi tube.
Preferably, the third drainage tube is detachably connected with the liquid storage device and used for back flushing to avoid the blockage of the puncture needle.
Preferably, the top end of the second drainage tube is detachably connected with the first drainage tube, so that cross infection is avoided.
Preferably, the third drainage tube is provided with a Murphy dropper and a flow regulator.
Preferably, the bottom of the support frame is provided with a roller.
Compared with the prior art, the invention has the beneficial effects that:
the invention can disperse blood clots or necrotic tissues blocked in the through hole of the piston in the second drainage tube by reverse impact through the arrangement of the flushing mechanism, the dispersed blood clots or necrotic tissues can flow into the third drainage tube through the through hole in the piston and are finally collected in the flushing fluid storage device, and the blood clots or necrotic tissues agglomerated together can be dredged without further reducing the pressure in the flushing fluid storage device, so that the pressure in a hydrops cavity of a patient cannot be suddenly reduced, when in operation, the blood clots or necrotic tissues are agglomerated and condensed together and block the through hole, at the moment, the piston in the second drainage tube can downwards extrude the piston under the action of the gravity of the hydrops, so that the second spring is compressed, the piston is abutted against the limiting piece and blocks the third drainage tube, at the moment, the U-shaped infusion tube fixedly connected with the bottom wall of the piston downwards moves along the length of the second drainage tube, the U-shaped infusion tube is communicated with the first infusion tube, and a supporting rod with adjustable length is fixed at the bottom of the U-shaped infusion tube, so when the U-shaped infusion tube moves downwards, the first infusion tube and the corrugated hose which are connected to the top of the right end of the U-shaped infusion tube also move downwards, at the moment, the vertical end of the L-shaped fixed rod penetrates out of the insertion hole in the first infusion tube and enters the guide cylinder, thereby dredging the first infusion tube, when the through hole of the piston is blocked, accumulated liquid in the second drainage tube can act on the pressure sensor at the top of the piston after being accumulated, when the measured pressure of the pressure sensor is greater than the set pressure of the controller, the controller can transmit a signal to the pressure pump, the pressure pump pressurizes physiological saline in the flushing liquid storage device (the flushing liquid is physiological saline) and then passes through the corrugated hose, the first infusion tube, the U-shaped infusion tube and the infusion branch tubes are sent into the spray head and sprayed out, and used for dispersing blood clots or tissues blocked at the tops of the through holes or adhered to the through holes, dredge the second drainage tube, this mediation process is full-automatic goes on, does not need medical personnel's whole control, has reduced medical personnel's work burden.
2. According to the invention, the venturi tube is arranged on the first infusion tube, so that the output speed of the physiological saline is further increased, blood clots or tissues blocked in the through holes or adhered to the tops of the through holes can be dispersed, the phenomenon that the drainage tube expands due to the fact that excessive physiological saline enters the second drainage tube is avoided, meanwhile, if the physiological saline caused by back flushing and the hydrops cavity can also clean the hydrops cavity of a patient, and the situation that the blood clots or necrotic tissues are left in the hydrops cavity and are not removed, so that the body is prevented from inflammation.
3. The third drainage tube is detachably connected with the liquid storage device, and the third drainage tube can be introduced into normal saline to dredge the blocked needle head.
4. The roller wheels are arranged below the supporting frame, so that the drainage device can be conveniently moved, and the first drainage tube and the second drainage tube are detachably connected and are used for different patients.
Drawings
FIG. 1 is a schematic view of the piston according to the present invention with the through-hole unblocked;
FIG. 2 is a schematic view of a piston according to the present invention after the through-hole is blocked;
FIG. 3 is an enlarged schematic view of the flush mechanism of the present invention;
FIG. 4 is a connection relationship diagram of a first infusion tube, a second drainage tube, a nozzle and infusion branch tubes of the invention;
FIG. 5 is a schematic view of a support bar according to the present invention;
FIG. 6 is a circuit diagram of the present invention.
Description of reference numerals:
1. the device comprises a support frame, 2 parts of a puncture needle, 3 parts of a first drainage tube, 4 parts of a second drainage tube, 5 parts of a third drainage tube, 6 parts of a piston, 7 parts of a roller, 8 parts of a flushing mechanism, 8-1 parts of a U-shaped infusion tube, 8-2 parts of a support rod, 8-21 parts of a first cylinder, 8-22 parts of a second cylinder, 8-23 parts of a second spring, 8-3 parts of the first infusion tube, 8-4 parts of a guide cylinder, 8-5 parts of an L-shaped fixing rod, 8-6 parts of a flushing liquid storage device, 8-7 parts of a pressure pump, 8-8 parts of a corrugated hose, 9 parts of a liquid storage device, 10 parts of a pressure sensor, 11 parts of a controller, 12 parts of an alarm, 13 parts of an infusion branch tube, 14 parts of a limiting piece, 15 parts of a spray head, 16 parts of a first spring and 17 parts of a venturi tube.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be made with reference to the accompanying drawings 1-6, although it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Examples
As shown in fig. 1 to 6, the clinical drainage device for intensive care unit ICU according to the present invention comprises: the device comprises a support frame 1, a first drainage tube 3 with a puncture needle 2, a second drainage tube 4 and a flushing mechanism 8, wherein a controller 11 and an alarm 12 are arranged on the support frame 1, the top end of the second drainage tube 4 is communicated with the first drainage tube 3, the bottom end of the second drainage tube 4 is sealed, the side wall of the second drainage tube 4 is communicated with a third drainage tube 5, a piston 6 with a plurality of through holes is connected in the second drainage tube 4 in a sliding manner, the thickness of the piston 6 is not smaller than the diameter of the third drainage tube 5, a pressure sensor 10 is arranged on the top wall of the piston 6, and a limiting part 14 used for limiting the piston 6 to move downwards is arranged on the circumferential wall of the second drainage tube 3 positioned at the lower edge of the liquid inlet end of the third drainage tube 5; the flushing mechanism 8 is arranged on the support frame 1 and is used for reversely removing blood clots or tissues adhered to the surface of the through hole and blocked in the through hole; the liquid storage device 9 is arranged on the support frame 1 and is communicated with the third drainage tube 5, and the liquid storage device 9 is also communicated with a negative pressure drum arranged on the support frame 1; the flushing mechanism 8, the controller 11, the pressure sensor 10 and the alarm 12 are respectively and electrically connected with a power supply, the flushing mechanism 8, the pressure sensor 10 and the alarm 12 are respectively and signally connected with the controller 11, and a plurality of first springs 16 are connected between the piston 6 and the bottom wall of the second drainage tube 4.
In this embodiment, in order to solve the problem that the drainage device in the prior art drains blood clots and necrotic tissues accumulated in the drainage tube into the collection bottle under the suction effect of the negative pressure device, but further performing negative pressure suction on the collection bottle not only causes a sudden pressure decrease in the hydrops cavity, but also causes a change in the flow rate and flow rate of the drainage hydrops in the drainage tube, so that the hydrops in the hydrops cavity can be discharged, but also causes other symptoms of the patient's body, which are not beneficial to the recovery of the patient, the drainage device is pushed to the side of the hospital bed when in use, the puncture needle 2 is inserted into the hydrops cavity of the patient, and then the negative pressure drum is pressed, and at this time, the hydrops in the hydrops cavity is sent into the liquid storage device 9 through the first drainage tube 3, the second drainage tube 4 and the third drainage tube 5 to drain the liquid under the negative pressure effect, however, the effusion flowing into the second drainage tube 4 contains blood clots or necrotic tissues, which can block the through hole on the piston 6, so that the effusion is accumulated above the piston 6, at the moment, the effusion can extrude the piston 6 to move the piston 6 downwards until the piston moves to the position of the limiting part 14 to block the third drainage tube 5, and as the top wall of the piston 6 is provided with the pressure sensor 10, when the pressure value detected by the pressure sensor 10 is greater than or equal to the set value, the controller 11 can transmit a signal to the alarm 12 to alarm, at the moment, the nurse can open the flushing mechanism 8 communicated with the second drainage tube 4, flush the blood clots or tissues adhered to the surface of the through hole and blocked in the through hole by manually pressing the normal saline, and after multiple times of flushing, the blood clots or tissues adhered to the surface of the through hole and blocked in the through hole can be blown away and can pass through the through holes, and the nurse stops the reverse flushing, at the moment, the piston 6 moves upwards under the driving of the first spring 16, the third drainage tube 5 is opened at the moment, the nursing staff can press the negative pressure drum again to conduct effusion drainage, in the prior art, a suction pump with large suction power is used again for blood clots or necrotic tissues blocked in the drainage tube to solve the problem of blockage of the drainage tube, and the high-power suction not only can cause the pressure in an effusion cavity to be suddenly reduced, but also can cause the change of the flow speed and the flow of the effusion drainage in the drainage tube, so that although the effusion in the effusion cavity can be discharged, other symptoms of the body of a patient can be caused, the recovery of the patient is not facilitated, and the problem of the pressure in the effusion cavity can not be suddenly reduced by utilizing a reverse flushing mode.
Further, the flushing mechanism 8 includes: the device comprises a U-shaped infusion tube 8-1 with a one-way valve, an infusion branch tube 13, a supporting rod 8-2 with adjustable length, a first infusion tube 8-3, an L-shaped fixed rod 8-5 and a flushing liquid storage device 8-6, wherein the top of the left end of the U-shaped infusion tube 8-1 with the one-way valve penetrates into the second drainage tube 4 from the bottom wall of the second drainage tube 4 and is in sealed sliding connection with the bottom wall of the second drainage tube 4, and the top of the left end of the U-shaped infusion tube 8-1 is sealed and fixedly connected to the bottom wall of the sieve plate 6; the number of the transfusion branch pipes 13 is multiple, the top end of each transfusion branch pipe 13 is sealed, a plurality of liquid spraying holes are formed in the peripheral wall of each transfusion branch pipe 13, the top end of each transfusion branch pipe 13 penetrates into each through hole from the bottom of the piston 6, and the bottom end of each transfusion branch pipe 13 is communicated with a U-shaped transfusion pipe 8-1 positioned in the second drainage pipe 4; the length-adjustable supporting rod 8-2 is longitudinally arranged at the bottom of the U-shaped infusion tube 8-1, and the supporting rod 8-2 comprises: the device comprises a first barrel body 8-21, a second barrel body 8-22 and a plurality of first springs 8-23, wherein the second barrel body 8-22 is sleeved inside the first barrel body 8-21 and is connected with the first barrel body 8-21 in a sliding mode along the length direction of the first barrel body 8-21, the top end of the first barrel body 8-21 is fixedly connected with a supporting seat arranged at the bottom of a U-shaped infusion tube 8-1, and the bottom end of the second barrel body 8-22 is fixed on a supporting frame 1; the plurality of second springs 8-23 are arranged inside the first cylinder 8-21 and the second cylinder 8-22, the top ends of the plurality of second springs 8-23 are fixed on the supporting seat, and the bottom ends of the plurality of second springs 8-23 are fixed on the supporting frame 1; the first infusion tube 8-3 is communicated with the top of the right end of the U-shaped infusion tube 8-1 positioned outside the second drainage tube 4, and the top of the first infusion tube 8-3 is longitudinally and hermetically fixed with a guide cylinder 8-4; the L-shaped fixing rod 8-5 is arranged above the U-shaped infusion tube 8-1, the horizontal end of the L-shaped fixing rod 8-5 is fixedly connected with the side wall of the second drainage tube 4, the vertical end of the L-shaped fixing rod 8-5 is in sliding connection with the guide cylinder 8-4 in a longitudinal sealing manner, the first infusion tube 8-3 is provided with an insertion hole for the vertical end of the L-shaped fixing rod 8-5 to pass through, the insertion hole is communicated with the bottom end face of the guide cylinder 8-4, and the length of the vertical end of the L-shaped fixing rod 8-5 penetrating into the first infusion tube 8-3 is equal to the height difference of downward movement of the piston; the flushing liquid storage device 8-6 is arranged on the support frame 1, the top of the flushing liquid storage device is provided with a transfusion port, the bottom of the flushing liquid storage device is communicated with an inlet of a pressure pump 8-7 through a second transfusion pipe, a liquid outlet of the pressure pump 8-7 is communicated with a first transfusion pipe 8-3 through a corrugated hose 8-8, and the pressure pump 8-7 is in signal connection with a controller 11.
In order to further reduce the working strength of medical staff and improve the automation degree, the flushing mechanism 8 needs to be flushed automatically, when the flushing mechanism is used, the puncture needle 2 penetrates into a hydrops cavity of a patient, then the negative pressure drum is pressed, at the moment, the hydrops in the hydrops cavity is sent into the liquid storage device 9 through the first drainage tube 3, the second drainage tube 4 and the third drainage tube 5 under the action of negative pressure to complete drainage, however, the hydrops flowing into the second drainage tube 4 contains blood clots or dead tissues to block a through hole on the piston 6, so that the hydrops is stored above the piston 6, at the moment, the hydrops can extrude the piston 6 to enable the piston 6 to move downwards until the piston moves to the position of the limiting part 14 to block the third drainage tube 5, at the moment, one end of the U-shaped infusion tube 8-1 fixedly connected with the bottom wall of the piston 6 moves downwards, so that the U-shaped infusion tube 8-1 and the infusion tube 13 are driven, The supporting rod 8-2 and the first infusion tube 8-3 integrally move downwards, so that the vertical end of the L-shaped fixing rod 8-5 penetrates into the guide cylinder from an insertion hole in the first infusion tube 8-3 at the moment to dredge the first infusion tube 8-3, the top wall of the piston 6 is provided with the pressure sensor 10, when the pressure value detected by the pressure sensor 10 is larger than or equal to a set value at the moment, the controller 11 transmits a signal to the alarm 12 to give an alarm, the controller 11 transmits the signal to the booster pump 8-7, the booster pump 8-7 pressurizes the physiological saline in the flushing fluid storage device 8-6 (the flushing fluid is the physiological saline), and then the physiological saline is sent into the spray head 15 through the corrugated hose 8-8, the first infusion tube 8-3, the U-shaped infusion tube 8-1 and the infusion branch tube 13 and is sprayed out for dispersing blood clots or tissues blocked in each through hole or adhered to the top of the through holes, dredge second drainage tube 4, this mediation process is full-automatic goes on, does not need medical personnel's whole control, has reduced medical personnel's work burden.
Furthermore, each liquid spraying hole is correspondingly provided with a spray head 18, the spraying direction of the flushing liquid of each spray head 18 forms an included angle of 30-45 degrees with the water inlet direction of the transfusion branch pipe 17, the included angle is used for limiting the flushing angle of the flushing liquid, and blockage can be better cleared and broken.
Furthermore, the corrugated hose 8-8 is communicated with the first infusion tube 8-3 through the venturi tube 17, so that the discharge speed of the flushing liquid is increased, and blood clots or tissues adhered to the surface of the through hole and blocked in the through hole can be conveniently broken.
Further, the third drainage tube 5 is detachably connected with the liquid storage device 9 for back flushing to avoid the blockage of the puncture needle 2, which is the case when the through hole of the piston is not blocked.
Further, the top end of the second drainage tube 3 is detachably connected with the first drainage tube 2, so that cross infection is avoided, and the device can be used by multiple people.
Further, a Murphy's dropper and a flow regulator are arranged on the third drainage tube 5 and are used for observing the discharge speed of the drainage liquid in the third drainage tube 5 and the internal drainage.
Further, the bottom of the support frame 1 is provided with a roller 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A clinical drainage device that uses for ICU severe medical science branch of academic or vocational study, its characterized in that includes:
the device comprises a support frame (1), wherein a controller (11) and an alarm (12) are arranged on the support frame (1);
a first drainage tube (3) with a puncture needle (2);
the top end of the second drainage tube (4) is communicated with the first drainage tube (3), the bottom end of the second drainage tube is sealed, the side wall of the second drainage tube is communicated with a third drainage tube (5), a piston (6) with a plurality of through holes is connected inside the second drainage tube in a sliding mode, the thickness of the piston (6) is not smaller than the diameter of the third drainage tube, a pressure sensor (10) is arranged on the top wall of the piston (6), a limiting part (14) used for limiting the piston (6) to move downwards is arranged on the peripheral wall of the second drainage tube (3) located on the lower edge of the liquid inlet end of the third drainage tube (5), and a plurality of first springs (16) are connected between the piston (6) and the bottom wall of the second drainage tube (4);
the flushing mechanism (8) is arranged on the support frame (1) and is used for reversely clearing blood clots or tissues adhered to the surface of the through hole and blocked in the through hole;
the liquid storage device (9) is arranged on the support frame (1) and is communicated with the third drainage tube (5), and the liquid storage device (9) is also communicated with a negative pressure drum arranged on the support frame (1);
the flushing mechanism (8), the controller (11), the pressure sensor (10) and the alarm (12) are respectively electrically connected with a power supply, and the flushing mechanism (8), the pressure sensor (10) and the alarm (12) are respectively in signal connection with the controller (11).
2. Clinical drainage device for ICU critical medical sciences, according to claim 1, characterised in that said flushing means (8) comprise:
the top of the left end of the U-shaped infusion tube (8-1) with the one-way valve penetrates through the second drainage tube (4) from the bottom wall of the second drainage tube (4) and is in sealed sliding connection with the bottom wall of the second drainage tube (4), and the top of the left end of the U-shaped infusion tube (8-1) is sealed and fixedly connected to the bottom wall of the sieve plate (6);
the number of the transfusion branch pipes (13) is multiple, the top end of each transfusion branch pipe (13) is sealed, a plurality of liquid spraying holes are formed in the peripheral wall of each transfusion branch pipe (13), the top end of each transfusion branch pipe (13) penetrates into each through hole from the bottom of the piston (6), and the bottom end of each transfusion branch pipe (13) is communicated with a U-shaped transfusion pipe (8-1) positioned inside the second drainage pipe (4);
the length-adjustable supporting rod (8-2) is longitudinally arranged at the bottom of the U-shaped infusion tube (8-1), and the supporting rod (8-2) comprises:
a first cylinder (8-21);
the second cylinder body (8-22) is sleeved inside the first cylinder body (8-21) and is in sliding connection along the length direction of the first cylinder body (8-21), the top end of the first cylinder body (8-21) is fixedly connected with a supporting seat arranged at the bottom of the U-shaped infusion tube (8-1), and the bottom end of the second cylinder body (8-22) is fixed on the supporting frame (1);
the second springs (8-23) are arranged inside the first cylinder (8-21) and the second cylinder (8-22), the top ends of the second springs (8-23) are fixed on the supporting seat, and the bottom ends of the second springs (8-23) are fixed on the supporting frame (1);
the first infusion tube (8-3) is communicated with the top of the right end of the U-shaped infusion tube (8-1) positioned outside the second drainage tube (4), and the top of the first infusion tube (8-3) is longitudinally and hermetically fixed with a guide cylinder (8-4);
the L-shaped fixing rod (8-5) is arranged above the U-shaped infusion tube (8-1), the horizontal end of the L-shaped fixing rod (8-5) is fixedly connected with the side wall of the second drainage tube (4), the vertical end of the L-shaped fixing rod (8-5) is longitudinally and hermetically connected with the guide cylinder (8-4) in a sliding manner, an insertion hole for enabling the vertical end of the L-shaped fixing rod (8-5) to penetrate through is formed in the first infusion tube (8-3), the insertion hole is communicated with the bottom end face of the guide cylinder (8-4), and the length of the vertical end of the L-shaped fixing rod (8-5) penetrating into the first infusion tube (8-3) is equal to the height difference of downward movement of the piston;
the flushing liquid storage device (8-6) is arranged on the support frame (1), the top of the flushing liquid storage device is provided with a liquid conveying port, the bottom of the flushing liquid storage device is communicated with an inlet of a pressure pump (8-7) through a second liquid conveying pipe, a liquid outlet of the pressure pump (8-7) is communicated with a first liquid conveying pipe (8-3) through a corrugated hose (8-8), and the pressure pump (8-7) is in signal connection with the controller (11).
3. The clinical drainage device for ICU Severe medicine department of claim 2, wherein each spray hole is provided with a spray head (15) in one-to-one correspondence, and the spraying direction of the washing liquid of each spray head (15) forms an angle of 30-45 degrees with the water inlet direction of the transfusion branch pipe (13).
4. Clinical drainage device for ICU Severe medicine, according to claim 2, characterized in that the corrugated hose (8-8) communicates with the first infusion tube (8-3) via a venturi tube (17).
5. Clinical drainage device for ICU Severe medicine, according to claim 1 or 5, characterized by that, the third drainage tube (5) is detachably connected with the liquid storage device (9) for back flushing to avoid the blockage of the puncture needle (2).
6. Clinical drainage device for ICU Severe medicine department according to claim 1, characterized in that, the second drainage tube (3) top end and the first drainage tube (2) detachable connection, avoid cross infection.
7. Clinical drainage device for ICU Severe medicine department according to claim 1, characterized in that, the third drainage tube (5) is equipped with Murphy's dropper and flow regulator.
8. Clinical drainage device for ICU Severe medicine department according to claim 1, characterized in that, the support frame (1) bottom is equipped with the gyro wheel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182512.0A CN113730684A (en) | 2021-10-11 | 2021-10-11 | Clinical drainage device for Intensive Care Unit (ICU) critical medical science department |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111182512.0A CN113730684A (en) | 2021-10-11 | 2021-10-11 | Clinical drainage device for Intensive Care Unit (ICU) critical medical science department |
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| Publication Number | Publication Date |
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| CN113730684A true CN113730684A (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111182512.0A Withdrawn CN113730684A (en) | 2021-10-11 | 2021-10-11 | Clinical drainage device for Intensive Care Unit (ICU) critical medical science department |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115050254A (en) * | 2022-07-11 | 2022-09-13 | 暨南大学附属第一医院（广州华侨医院） | Minimally invasive surgical practice model for removing lackladian cysts |
-
2021
- 2021-10-11 CN CN202111182512.0A patent/CN113730684A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115050254A (en) * | 2022-07-11 | 2022-09-13 | 暨南大学附属第一医院（广州华侨医院） | Minimally invasive surgical practice model for removing lackladian cysts |
| CN115050254B (en) * | 2022-07-11 | 2023-10-13 | 暨南大学附属第一医院（广州华侨医院） | Minimally invasive surgical exercise model for removing Rake cyst |
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Application publication date: 20211203 |
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